Freeze-dryer Epsilon 2-10D LSCplus
8 Maintenance and service
Version 07/2022, Rev. 3.0 of 20/07/2022
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Translation of the original operating manual
System/
Component
Detail / Part
Inspection
Periodical Maintenance
Repair / Rebuild
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Water content of the
heat transfer medium
X
Test sample (visual
inspection, freezing
point, boiling point)
Heat exchanger:
corrision
X
5 years
Replace insulation
(Armaflex) at heat
exchanger and
remove corrosion
Hydraulic
system
Mechanical
components:
operation
X
Leakages
X
X
Max. pressure
reading
X
Oil in reservoir
X
Hydraulic hose lines:
condition
X
after
5 years
Replace hose lines
even if no safety-
relevant defects can
be noticed
Cylinder: travel
speed
X
Instrumentation
Vacuum sensors
X
Calibration
Temperature sensors
at freeze-dryer
X
Calibration
Pressure sensors
chamber
X
Calibration
Product temperature
sensors
X
X
Calibration,
replacement of
connectors
Level switch(es)
X
Pilot valves
(Solenoid valves)
X
X
Electrical
installation
Switch cabinet:
temperature inside
X
X
Infrared readings if
possible
Switch cabinet: con-
dition of components
X